def test_will_not_eat_other_creatures(self):
tank = TestTank()
others = [
simfish.Snail(),
simfish.SunFish(),
simfish.DiverFish(),
simfish.PiranhaFish(),
simfish.ClockworkFish(),
]
tank.add_items_with(*others)
snail = simfish.Snail()
self.assertEqual(others, tank.items_with(snail))
snail.turn(tank)
self.assertEqual(others, tank.items_with(snail))
def test_can_breathe(self):
tank = TestTank()
snail = simfish.Snail()
self.assertTrue(snail.alive)
self.assertEqual(simfish.Snail.ENERGY, snail.energy)
snail.turn(tank)
self.assertEqual(simfish.Snail.ENERGY - 1, snail.energy)
def test_will_not_eat_snails(self):
tank = TestTank()
others = [simfish.Snail()]
tank.add_items_with(*others)
piranha_fish = simfish.PiranhaFish()
self.assertEqual(others, tank.items_with(piranha_fish))
piranha_fish.turn(tank)
self.assertEqual(others, tank.items_with(piranha_fish))
def test_will_eat_fish_food(self):
tank = TestTank()
others = [simfish.FishFood()]
tank.add_items_with(*others)
snail = simfish.Snail()
self.assertEqual(others, tank.items_with(snail))
snail.turn(tank)
self.assertEqual(0, len(tank.items_with(snail)))
def test_can_die(self):
tank = TestTank()
snail = simfish.Snail()
self.assertTrue(snail.alive)
self.assertEqual(simfish.Snail.ENERGY, snail.energy)
for i in range(simfish.Snail.ENERGY):
snail.turn(tank)
self.assertEqual(0, snail.energy)
self.assertFalse(snail.alive)
def test_will_only_eat_one_fish_food_per_turn(self):
FOOD_COUNT = 10
tank = TestTank()
others = [simfish.FishFood()] * FOOD_COUNT
tank.add_items_with(*others)
snail = simfish.Snail()
for count in range(FOOD_COUNT, 0, -1):
self.assertEqual(count, len(tank.items_with(snail)))
snail.turn(tank)
self.assertEqual(0, len(tank.items_with(snail)))
def test_will_sink_when_dead(self):
tank = TestTank()
snail = simfish.Snail()
for i in range(simfish.Snail.ENERGY):
snail.turn(tank)
self.assertFalse(snail.alive)
tank.reset_movement_record()
snail.turn(tank)
self.assertEqual(snail, tank.last_item_moved)
self.assertEqual(0, tank.total_dx)
self.assertEqual(1, tank.total_dy)
def test_can_create(self):
snail = simfish.Snail()
self.assertTrue(snail.alive)
self.assertEqual(simfish.Snail.ENERGY, snail.energy)
self.assertEqual(1, len(snail.diet))
self.assertTrue(simfish.FishFood in snail.diet)